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Finding the Fourth Proportional to 83,699.96, 115,506.26 and 45,459.56

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Solution

The fourth proportional to 83,699.96, 115,506.26 and 45,459.56 is: 62,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,699.96 : 115,506.26 = 45,459.56 : x
  2. Step 2: Convert to fraction form
    83,699.96/115,506.26 = 45,459.56/x
  3. Step 3: Cross multiply
    83,699.96x = 115,506.26 × 45,459.56
  4. Step 4: Simplify right side
    83,699.96x = 5,250,863,756.85
  5. Step 5: Solve for x
    x = 5,250,863,756.85/83,699.96
  6. Step 6: Final answer
    x = 62,734.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.